Support reinstalling stack hook

[hasufell]

In GitLab by @brandonchinn178 on Oct 2, 2022, 08:17

Sometimes I like to nuke ~/.stack and rebuild it, but I can't seem to get ghcup to reinstall the stack hook. I can do it manually for now, but it'd be nice to have some option for ghcup to do it

[hasufell]

In GitLab by @maerwald on Oct 4, 2022, 11:26

Reinstalling stack hook works like this:

1. rm ~/.stack/hooks/ghc-install.sh
2. curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh

The bootstrap script can be re-run at any given time.

[hasufell]

In GitLab by @brandonchinn178 on Oct 4, 2022, 11:34

Yes, I understand. I could also manually redownload ghc-install.sh from tbe ghcup repo. But I think it'd be nice to provide a ghcup command to reinstall hooks. And/or mention in the docs that the bootstrap command is idempotent and can be run multiple times.

[hasufell]

In GitLab by @maerwald on Oct 8, 2022, 21:21

And/or mention in the docs that the bootstrap command is idempotent and can be run multiple times.

[hasufell]

In GitLab by @brandonchinn178 on Oct 9, 2022, 24:47

I mean in the web docs. I'm not going to rerun the curl/sh command if I don't remember that it pauses/is rerunnable

[hasufell]

In GitLab by @maerwald on Oct 9, 2022, 11:19

PR welcome.

[hasufell]

This is documented already: https://www.haskell.org/ghcup/guide/#strategy-2-stack-hooks-new-recommended